Chain lock assembly

Details Chain lock assembly Chain lock assembly

1976-05-20

1978-08-08

Moore, Richard E.

Closure fasteners

Extension link

Chain

E05C 1736

Patent

active

041052315

ABSTRACT:
A chain lock assembly for securing a door in a partially open position including a keeper bracket, a slide bracket, a chain having one end secured to the keeper bracket, a bolt connected to the other end of the chain, and a bolt retainer. The keeper bracket is attached to a frame of the door and the slide bracket is attached to the door adjacent the keeper bracket. The bolt retainer includes a base member for attachment to the door and a resilient finger member integral with the base member for retaining the bolt within the slide bracket of the chain lock assembly.

REFERENCES:
patent: 419846 (1890-01-01), Gamble
patent: 467165 (1892-01-01), Grandeman
patent: 1492030 (1924-04-01), Grah
patent: 2867468 (1959-01-01), Bugge
patent: 3339963 (1967-09-01), Chambers
patent: 3381992 (1968-05-01), Friesen

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